This is a list of manhole cover markings found in New York City. Markings Bell System BECo = Brooklyn Edison Company BHRR = Brooklyn Heights Railroad BMT = Brooklyn-Manhattan Transit Corporation BPB = Borough President Brooklyn BPM = Borough President Manhattan BQT = Brooklyn and Queens Transit Corporation BRT = Brooklyn Rapid Transit BS = Bureau of Sewers BSBQ = Bureau of Sewers, Borough of Queens BSBQ = Borough Superintendent of the Borough of Queens CIBRR = Coney Island and Brooklyn Railroad Citizens Water Supply Co. of Newtown ConEdison = Consolidated Edison Con Edison Co. = Consolidated Edison Conrail = Consolidated Rail Corporation CT&ES Co. = Consolidated Telegraph & Electrical Subway Company CWSCo. = Citizens Water Supply Company of Newtown DCW = Brooklyn Department of City Works DEP = Department of Environmental Protection DPW = Department of Public Works DWS = Department of Water Supply ECS Co. LIM = Empire City Subway Company Limited (also abbreviated as ECS Co LTD) EDISON = Edison EEICo. = Edison Electric Illuminating Company FDNY = FDNY GAS = Brooklyn Union Gas HPFS = High Pressure Fire Service IRT = Interborough Rapid Transit JWS = Jamaica Water Supply Company of New York KCEL&PC = Kings County Electric Light and Power Company LIC = Long Island City LIRR = Long Island Rail Road LIWSCo. = Long Island Water Supply Company NY&NJTCo. = New York & New Jersey Telephone Company NY&QEL&PCo = New York & Queens Electric Light & Power Company NYCTA = New York City Transit Authority NYCTS = New York City Transit System NYC & HRRR = New York Central & Hudson River Railroad NYM = New York Municipal Railway Corporation NYRT = New York Rapid Transit Corporation NYTCo. = New York Telephone Company PSC IRT = Public Service Commission-Interborough Rapid Transit PSC MRC = Public Service Commission-Metropolitan Railway Company QMT = Queens Midtown Tunnel RT NYC = Rapid Transit New York City RT NYRT = New York Rapid Transit Corporation RTS = Rapid Transit System RTS NYC = Rapid Transit System New York City STEALTH COMM = Stealth Communications WSNY = Water Supply of New York Water Supply References Forgotten NY: manhole "World Sewer Cover Web site", February, 2001. "Photos of NYC Manhole Covers, March, 2013. "NYC DEP Weekly Pipeline", August 3, 2010. "Long Island Star-Journal", August 1, 1945. "Manhole Covers", May 27, 2021. Manhole cover abbreviations Manhole cover abbreviations Urban exploration